North Dakota Century Code Title 57. Taxation § 57-32-01.2. Method of valuation

All of the operative property within North Dakota of each air carrier transportation company which is defined as real property under section 57-02-04 must be valued for assessment purposes by the tax commissioner and the state board of equalization. For the purpose of determining the value of the operative property within North Dakota of each air transportation company, the tax commissioner and the state board of equalization shall take into consideration legally established evidences of value that enable the tax commissioner and the state board of equalization to make a just and equitable assessment.